Who holds the burden of proof?

Good day, fellow finance enthusiasts. I'd like to pose a question to all of you: in the realm of cryptocurrency and finance, who exactly bears the burden of proof? Is it the individual making a claim, the party being accused, or does it depend on the specific context and legal jurisdiction? It's a crucial aspect to consider, as it can significantly impact the outcome of disputes and transactions within this ever-evolving field. Let's delve into this topic and explore the intricacies of the burden of proof in the world of cryptocurrency and finance.